Remote Technologies RPC-320 manual Optically isolated and TTL interrup ts

Page 45

EXTERNAL INTERRUPT

 

 

 

 

 

 

 

SECTION 12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 12-1 Optically isolated and TTL interrup ts

enable interrup ts.

Page 12-2 RPC-320

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Contents REV TrademarksRevision Table of Contents External Reset Sect ION 11 Watchdog Timer DescriptionInterrupt Characteristics Sect ION 13 Multi Mode Counter DescriptionSoftware Revision History Section OverviewDescription Manual OrganizationTechnical Support Symbols and Term inologySystem layout Overview SectionOperating Precautions IntroductionEquipment Using a Terminal Using a PCFirst Time Operation Uploading and Downloading ProgramsEditing programs and program ming hints Troubleshooting Where to GO from HereSaving a Program Saving ProgramsEprom W3 autorun jumperPreventing Autorun AutorunningLoading a Program Changing Eprom SizeAlternate Eproms CommandsBload BsaveSerial Ports COM0 Serial PortCOM1 Serial Port Serial Ports Section RS-422/485 Operating InformationRS-422/485 Termination network Accessing Serial Buffers Two wire RS-485Multidrop Network Accessing COM0 and COM1 Disabling CONTROL-CSerial Port PIN OUT RXD CTS Checking the battery Battery BackupRAM Memory Changing MemoryStoring Variables in RAM Reserved MemoryBlock Data Transfer Assembly Language InterfaceDigital and Opto Ports Digital I/O PortsDigital Por t J3 Digital Port P6 Digital I/O CommandsHigh Current Port L8 Optically Isolated InputHigh Current Output Interfacing to switches and other devices Interfacing Digital I/O to an opto-module rackDigital I/ O prog ramm ing exam ple Ls e Width Modulation PWM Conne ctor pin ou t J3 Digital and Opto Ports SectionCount Config LineLine Line BSetting Date and Time DateM E Section Connecting Displays Writing to the DisplayProgramming Example Display Types Display Connector PIN OUTProgram explanation Keypad PortKeypad Port PIN OUT J5 Analog Input Connecting Analog InputsInitialization Overvoltage conditionsDifferential Mode Examples u sing CON FIG AINAcquiring Analog Data Noise Notes Temperature MeasurementAnalog Input Section Measuring Higher Voltages Data logging on a timer tickConverting Analog Measurements AmplifiersMeasuring 4-20 mA current loops Calibration External Reset Watchdog TimerInterrupt Characteristics Optically Isolated InterruptProgram Example Optically isolated and TTL interrup ts GND ProgrammingLoad GateCOU NT0 Further Power Reduction Power ManagementProgram Examp le Power Management SectionTechnical Information Electrical SpecificationsMemory and I/O Bank MAP Mechanical SpecificationsJumper Descriptions Bank
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